diff --git a/package-lock.json b/package-lock.json
index 99e55cda11..4dfd37a11e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1035,9 +1035,9 @@
       }
     },
     "@types/node": {
-      "version": "10.17.26",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.26.tgz",
-      "integrity": "sha512-myMwkO2Cr82kirHY8uknNRHEVtn0wV3DTQfkrjx17jmkstDRZ24gNUdl8AHXVyVclTYI/bNjgTPTAWvWLqXqkw=="
+      "version": "15.0.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.0.2.tgz",
+      "integrity": "sha512-p68+a+KoxpoB47015IeYZYRrdqMUcpbK8re/zpFB8Ld46LHC1lPEbp3EXgkEhAYEcPvjJF6ZO+869SQ0aH1dcA=="
     },
     "@types/qs": {
       "version": "6.9.6",
diff --git a/package.json b/package.json
index d384d64579..950cf1e5a2 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
   "dependencies": {
     "@firebase/database": "^0.10.0",
     "@firebase/database-types": "^0.7.2",
-    "@types/node": "^10.10.0",
+    "@types/node": ">=12.12.47",
     "dicer": "^0.3.0",
     "jsonwebtoken": "^8.5.1",
     "jwks-rsa": "^2.0.2",
diff --git a/src/utils/api-request.ts b/src/utils/api-request.ts
index a41a2f9b48..5b1b153288 100644
--- a/src/utils/api-request.ts
+++ b/src/utils/api-request.ts
@@ -728,7 +728,7 @@ class HttpRequestConfigImpl implements HttpRequestConfig {
   public buildRequestOptions(): https.RequestOptions {
     const parsed = this.buildUrl();
     const protocol = parsed.protocol;
-    let port: string | undefined = parsed.port;
+    let port: string | null = parsed.port;
     if (!port) {
       const isHttps = protocol === 'https:';
       port = isHttps ? '443' : '80';